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The following are the results of bids received October, 2025 for public improvement projects which the Iowa Department of Natural Resources requires to be constructed. The results included below are the bids that were received timely. Consistent with the Specifications Manual, in the event of a discrepancy between a unit price, extensions or total amounts of bid, the unit price proposed by the bidder has been used to accurately calculate the total price based on the quantities identified in the project specifications.
NO DETERMINATION HAS BEEN MADE BY THIS PUBLICATION AS TO WHICH BID, IF ANY, IS THE LOWEST RESPONSIBLE, RESPONSIVE BID. THE DNR RESERVES THE RIGHT, AFTER REVIEW OF THE BIDS SUBMITTED, TO AWARD A CONTRACT FOR THE PROJECTS LISTED BELOW TO THE ENTITY SUBMITTING THE LOWEST RESPONSIBLE, RESPONSIVE BID OR TO REJECT ALL BIDS.
View Project Details for this Bid Letting
| HARDIN -- PROJECT # 24-02-42-01 10/23/2025 Large Project Letting
| PINE LAKE STATE PARK
| | PARKING IMPROVEMENTS | | | | BIDS RECEIVED: |
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Gehrke, Inc
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$153,972.06 |
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OEL Construction Services, Inc
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$159,687.30 |
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Vieth Construction Corp
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$172,347.25 |
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Boulder Contracting, LLC
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$179,106.75 |
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A&A Concrete
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$180,342.40 |
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TK Concrete, Inc
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$182,995.80 |
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Owen Contracting, Inc
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$190,221.20 |
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Con-Struct, Inc
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$210,623.66 |
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Jensen Builders Ltd
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$217,206.50 |
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Shekar Engineering P.L.C.
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$221,604.10 |
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K & M Enterprises
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$221,661.00 |
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Matt Construction Inc
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$223,345.85 |
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| WINNEBAGO -- PROJECT # 25-02-95-02 10/2/2025 Small Project Letting
| HARMON LAKE WMA
| | DIKE REPAIRS | | | | BIDS RECEIVED: |
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Dig It Land Improvements LLC
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$7,500.00 |
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Vans Excavating
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$8,300.00 |
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Larson Contracting Central, LLC
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$8,459.00 |
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Adam Laubenthal DBA Laubenthal Excavation
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$8,500.00 |
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LMRMDRL, LLC
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$13,400.00 |
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H Johnson Services LLC
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$35,300.00 |
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| BOONE -- PROJECT # 23-02-08-05 10/9/2025 Small Project Letting
| LEDGES STATE PARK
| | SHOWER BUILDING REPLACEMENT SUPPLEMENTAL CONTRACT | | | | BIDS RECEIVED: |
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Vieco Dev. & Construction Co. Inc.
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$1,000.00 |
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| WINNEBAGO -- PROJECT # 25-02-95-01 10/9/2025 Small Project Letting
| HOGSBACK WMA
| | WETLAND RESTORATION | | | | BIDS RECEIVED: |
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Dig It Land Improvements LLC
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$36,907.50 |
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Adam Laubenthal DBA Laubenthal Excavation
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$70,048.10 |
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| JASPER -- PROJECT # 26-05-50-02 10/16/2025 Small Project Letting
| ROCK CREEK STATE PARK
| | CULVERT REPLACEMENT | | | | BIDS RECEIVED: |
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Haworth Land Construction
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$21,957.70 |
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Nagel Construction LLC
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$23,460.00 |
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Sterk Excavating Inc
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$24,994.00 |
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Jasper Construction Services, Inc
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$28,720.00 |
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OEL Construction Services, Inc
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$31,436.00 |
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RW Excavating Solutions, LC
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$37,090.00 |
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| CERRO GORDO -- PROJECT # 23-03-17-11 10/23/2025 Small Project Letting
| CLEAR LAKE STATE PARK
| | BEACH SIDE RESTROOM REPAIRS | | | | BIDS RECEIVED: |
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Kingland Construction Services
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$113,000.00 |
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S.M.G. LLC
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$118,272.00 |
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Larson Contracting Central, LLC
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$145,257.00 |
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Henkel Construction Company
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$148,750.00 |
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Dean Snyder Construction Co
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$181,607.00 |
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